1. the explosive power of nuclear weapons measured in megatons
Usage: military; technical
2. a very large amount or quantity of something
Usage: informal

Examples

• The treaty limited each nation’s nuclear megatonnage.
• Military analysts calculated the total megatonnage of the arsenal.
• The submarine carried weapons with significant megatonnage.
• Arms reduction talks focused on cutting overall megatonnage.
• The company processed a megatonnage of raw materials annually.
• Scientists estimated the megatonnage of debris from the explosion.